Overview

overview

10

Static

static

10

b68b7b11ba...9b.exe

windows10-2004-x64

10

b68b7b11ba...9b.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    b68b7b11ba204f5a67d691a1fd24d87ca21ab8102cec742c1da1006ff713109b
  • Size 45KB
  • Sample260805-r9jrfavthz
  • SHA256 b68b7b11ba204f5a67d691a1fd24d87ca21ab8102cec742c1da1006ff713109b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultcommand_and_controldefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • western-computers.co.uk:80

  • western-computers.co.uk:22

  • western-computers.co.uk:8080

  • western-computers.co.uk:8880

  • western-computers.co.uk:2052

  • western-computers.co.uk:2082

  • western-computers.co.uk:2086

  • western-computers.co.uk:2095

  • western-computers.co.uk:443

  • western-computers.co.uk:2053

  • western-computers.co.uk:2083

  • western-computers.co.uk:2087

  • western-computers.co.uk:2096

  • western-computers.co.uk:8443

  • www.western-computers.co.uk:80

  • www.western-computers.co.uk:22

  • www.western-computers.co.uk:8080

  • www.western-computers.co.uk:8880

  • www.western-computers.co.uk:2052

  • www.western-computers.co.uk:2082

Mutex

  • 8ChZy6JxDqyY

Attributes
  • delay

    0

  • install

    true

  • install_file

    k5cpe.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      b68b7b11ba204f5a67d691a1fd24d87ca21ab8102cec742c1da1006ff713109b
    • Size 45KB
    • SHA256 b68b7b11ba204f5a67d691a1fd24d87ca21ab8102cec742c1da1006ff713109b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defaultcommand_and_controldefense_evasiondiscoveryexecutionasyncratpersistencerat

    • Async RAT payload

      rat

    • Family: AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Outbound SSH connection to public host

      SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

      command_and_control
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks